<span>The option that best explains why ecosystems need a continual influx of new energy is C. energy flows through an ecosystem and cannot be recycled. Given that it cannot be recycled, and it comes and goes, ecosystems need new energy to replace the old one they may have lost over time. Other answers don't really make much sense and don't have a lot to do with energy/</span>
        
                    
             
        
        
        
Answer:
Your respiratory system takes in oxygen from the air. It also gets rid of carbon dioxide. Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body.
Explanation:
 
        
                    
             
        
        
        
Answer:
No
Explanation:
There is ongoing research but currently no cure. Ease of symtoms is the only treatment provided. 
 
        
                    
             
        
        
        
The answer to this would be “ T-A-A-C-G-A “